<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			.box{
				width: 200px;
				height: 200px;
				background: skyblue;
				overflow: auto;
				white-space: nowrap;
			}
		</style>
	</head>
	<body>
    <div>改了没</div>
	</body>
</html>
